Laser hearing, chatty females, clean energy...

27 November 2008
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We explore the cochlear implant that uses laser light for more complex hearing, clean energy from ocean heat, why social vocalisation replaces grooming in society, how early photon tomography (EPT) provides a safer way to image biological tissues and findings that how the brain categorises colours changes when we develop language. Plus, do cats always land on their feet?

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